MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c8ee9c80b54c9a2f245d2e98ce8d25702becbc6584135c4278169d406016dd8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 1c8ee9c80b54c9a2f245d2e98ce8d25702becbc6584135c4278169d406016dd8
SHA3-384 hash: 41d5b51b1c63fb7e8d05a4131b050281bcce51ac330955106e917fc6dddcceb908d8a351ad5d1400ed1fddff4f8530a8
SHA1 hash: e0f164c88ead46da499516596adb16bde31b3243
MD5 hash: 4933039c07233e307f6a8ee44229f81b
humanhash: may-july-happy-oven
File name:Transfer Confirmation.exe
Download: download sample
Signature AgentTesla
File size:632'320 bytes
First seen:2020-08-28 06:44:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ibBiEhuBdVgZVdL+o221lYjP4pf6FUaud9hUFkww/skAPbc:OUEMdVgZ/L2+WPwf6Nud9hYkww/sxb
Threatray 10'644 similar samples on MalwareBazaar
TLSH 5BD42336678D4717D6E41BF03ABD350162F0B107A92AD23D9E6AD1EB2063F5144E0AEF
Reporter abuse_ch
Tags:AgentTesla exe Hostwinds


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-767594.hostwindsdns.com
Sending IP: 192.236.209.183
From: Barbara Behrang <Behrang@galaanz.com>
Subject: Payment Notice
Attachment: Transfer Confirmation.zip (contains "Transfer Confirmation.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-28 04:25:49 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 1c8ee9c80b54c9a2f245d2e98ce8d25702becbc6584135c4278169d406016dd8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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